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County ProfileMT

Valley County

Population: 7,578 · 10 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
7,578
People
Median age
44.3
Housing
Total households
2,951
Income
Median household income
$71,695
Housing
Total housing units
4,254
Employment
Employment rate
60.4%
Education
Bachelor’s degree or higher
25.7%
Healthcare
Insured population
93.6%
County details
Local time 04:37:09(MT)
NameValley
Total ZIP codes10total
ZIP codes (by type)
9 Standard1 PO Box
Area code406
TimezoneMountain Time (MT)
Coordinates48.3498496, -106.6704238
Land area4,926.1 sq miles(12,758.6 km²)

Map of Valley county, Montana with ZIP codes

Map of Valley County, Montana and ZIP codes

Cities and Communities in Valley County

Compare the largest cities in Valley County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Glasgow3,202$90,3101ZIPs
Saint Marie489$38,9711ZIPs
Frazer354$32,5001ZIPs
Nashua301$80,3131ZIPs
Fort Peck239$90,8331ZIPs
Hinsdale193$47,5001ZIPs
Larslan801ZIPs
Opheim75$46,5001ZIPs
Vandalia261ZIPs
Glentana161ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Valley County

Review the most populated postal areas across Valley County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
59230Glasgow$85,0004,623
59248Nashua$89,821986
59225Frazer$43,594564
59231Saint Marie$38,971471
59241Hinsdale$48,512356
59250Opheim$51,375136
59223Fort Peck110
59244Larslan$111,25080
59273Vandalia26
59240Glentana$58,75016

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS